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本帖最后由 zhutongshuai 于 2011-12-24 12:33 编辑 * C* X4 b l+ v! T Q
( k7 G6 j0 {9 O4 YCTL-OP 109 Laboratory Procedure For Acceptance of Thermocouple Wire
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PROCEDURES
* t$ u: K4 d1 m3 B- h3 T( v9 Q4.1 Thermocouples shall be prepared by staff trained in preparation of thermocouples.
1 E1 V% g' ]/ {4 y( n2 t4.2 Thermocouples are to be prepared as noted:
3 v& f7 N0 _ H: Y% P8 C4.2.1 Inner insulation stripped back approximately 1.5 mm from tip.
% e# x2 Y1 Y1 W' M4.2.2 Outer insulation, if any, stripped back approximately 15 mm from tip.2 V7 h$ G. l; R, k
4.2.3 The tip is to be joined by a single point weld. Other reliable and consistent methods of joining the thermocouple wires may be used upon prior acceptance of the CTL. 9 Q0 d c) D+ [# `
4 ^4 s+ j9 D7 I! R* sNote – Dimensions given are typical, not required.# S- U3 \# Y. }3 z7 R+ x
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